tropospheric fall out

简明释义

对零的放射性沉降物

英英释义

例句

1.Studies have shown that tropospheric fall out 对流层沉降 can lead to increased levels of pollutants in urban areas.

研究表明，对流层沉降可能导致城市地区污染物水平增加。

2.Farmers were concerned about the tropospheric fall out 对流层沉降 affecting crop yields after the recent chemical spill.

农民们担心最近的化学泄漏会影响作物产量的对流层沉降。

3.The environmental agency issued a warning about potential health risks associated with tropospheric fall out 对流层沉降 from industrial emissions.

环境机构发布警告，指出与工业排放相关的潜在健康风险的对流层沉降。

4.The researchers measured the levels of radioactive materials in the air to assess the impact of tropospheric fall out 对流层沉降 after the nuclear incident.

研究人员测量了空气中放射性物质的水平，以评估核事故后对流层沉降的影响。

5.Meteorologists use satellite data to track tropospheric fall out 对流层沉降 patterns during severe weather events.

气象学家利用卫星数据跟踪严重天气事件期间的对流层沉降模式。

作文

The Earth's atmosphere is a complex system that plays a crucial role in sustaining life. Among its various layers, the troposphere is the lowest layer, extending from the surface up to about 8 to 15 kilometers high, depending on geographical location and weather conditions. Understanding phenomena that occur within this layer, such as tropospheric fall out (对流层沉降), is essential for comprehending environmental science and meteorology. This term refers to the process by which particles and pollutants, including those from human activities and natural sources, settle down from the atmosphere to the Earth's surface within the troposphere.One of the primary concerns regarding tropospheric fall out is its impact on air quality and public health. As pollutants accumulate in the troposphere, they can be transported over long distances by wind currents before eventually falling back to the ground. This can lead to the deposition of harmful substances in ecosystems, affecting soil, water, and air quality. For instance, heavy metals and toxic chemicals from industrial emissions can contribute to the contamination of agricultural land, posing risks to food safety and human health.Moreover, tropospheric fall out can significantly influence weather patterns and climate change. Particulate matter that settles from the atmosphere can alter the properties of clouds, affecting precipitation and temperature. For example, aerosols can reflect sunlight back into space, leading to a cooling effect, while other particles may absorb heat, contributing to warming. Such interactions highlight the intricate balance within the Earth's climate system and the importance of monitoring atmospheric conditions.In addition to environmental impacts, tropospheric fall out has implications for aviation and transportation. Pilots must be aware of the presence of particulate matter in the troposphere, as it can affect visibility and aircraft performance. Furthermore, the accumulation of pollutants can lead to the formation of smog, which poses hazards not only for air travel but also for ground transportation.Addressing the challenges posed by tropospheric fall out requires concerted efforts at local, national, and global levels. Governments and organizations must implement stricter regulations on emissions, promote cleaner technologies, and encourage sustainable practices to reduce pollution. Public awareness campaigns can also play a vital role in educating communities about the sources and effects of atmospheric pollutants, fostering a culture of environmental stewardship.In conclusion, tropospheric fall out is a significant environmental phenomenon that affects air quality, climate, and public health. Understanding its implications is crucial for developing effective strategies to mitigate its adverse effects. By taking proactive measures to reduce pollution and protect our atmosphere, we can ensure a healthier planet for future generations.

地球的大气层是一个复杂的系统，在维持生命方面发挥着至关重要的作用。在其各个层次中，对流层是最低的一层，从地表延伸到大约8到15公里的高度，具体取决于地理位置和天气条件。理解发生在这一层中的现象，如对流层沉降（tropospheric fall out），对于理解环境科学和气象学至关重要。这个术语指的是颗粒物和污染物的过程，包括来自人类活动和自然源的物质，在对流层内从大气中沉降到地球表面的过程。关于对流层沉降的主要关注点是其对空气质量和公众健康的影响。当污染物在对流层中积累时，它们可以被风流带走，远距离运输，然后最终降落到地面。这可能导致有害物质在生态系统中的沉积，影响土壤、水和空气质量。例如，工业排放中的重金属和有毒化学物质可能导致农业用地的污染，给食品安全和人类健康带来风险。此外，对流层沉降还会显著影响天气模式和气候变化。从大气中沉降的颗粒物可以改变云的特性，影响降水和温度。例如，气溶胶可以将阳光反射回太空，导致冷却效应，而其他颗粒可能吸收热量，促进变暖。这些相互作用突显了地球气候系统内的微妙平衡，以及监测大气条件的重要性。除了环境影响，对流层沉降还对航空和交通产生影响。飞行员必须了解对流层中颗粒物的存在，因为它可能影响能见度和飞机性能。此外，污染物的积累可能导致雾霾的形成，这不仅对空中旅行构成威胁，也对地面交通造成危险。解决对流层沉降所带来的挑战需要地方、国家和全球层面的共同努力。政府和组织必须实施更严格的排放法规，推广清洁技术，并鼓励可持续实践以减少污染。公众意识运动也在教育社区了解大气污染物的来源和影响方面发挥着至关重要的作用，培养环境保护的文化。总之，对流层沉降是一个重要的环境现象，影响空气质量、气候和公众健康。理解其影响对于制定有效的策略以减轻其不利影响至关重要。通过采取积极措施减少污染和保护我们的气氛，我们可以为后代确保一个更健康的星球。